Gaya APA
Hall, F., Greeno, R.
(2007).
Building Services Handbook, Fourth Edition
(
ed. 4)
.
Burlington:
Elsevier Ltd.
Gaya MLA
Hall, Fred., Greeno, Roger.
"Building Services Handbook, Fourth Edition".
ed. 4
Burlington:
Elsevier Ltd,
2007.
e-book.